CN103201592A - An integrity monitoring system and a method of monitoring integrity of a stationary structure - Google Patents

An integrity monitoring system and a method of monitoring integrity of a stationary structure Download PDF

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CN103201592A
CN103201592A CN2011800524251A CN201180052425A CN103201592A CN 103201592 A CN103201592 A CN 103201592A CN 2011800524251 A CN2011800524251 A CN 2011800524251A CN 201180052425 A CN201180052425 A CN 201180052425A CN 103201592 A CN103201592 A CN 103201592A
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vibration
integrality
monitoring system
data
computing machine
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CN103201592B (en
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H·R·汉森
L·霍杰加尔德
D·麦沃尔德
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NKT Cables Group AS
ENERGINET
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NKT Cables Group AS
ENERGINET
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N19/00Investigating materials by mechanical methods
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/004Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/007Leak detector calibration, standard leaks
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/24Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations
    • G01M3/243Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations for pipes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0025Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings of elongated objects, e.g. pipes, masts, towers or railways
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0033Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining damage, crack or wear
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0066Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by exciting or detecting vibration or acceleration
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00Vibration-testing of structures; Shock-testing of structures
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/4409Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison
    • G01N29/4436Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison with a reference signal
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V2210/00Details of seismic processing or analysis
    • G01V2210/10Aspects of acoustic signal generation or detection
    • G01V2210/14Signal detection
    • G01V2210/142Receiver location
    • G01V2210/1429Subsurface, e.g. in borehole or below weathering layer or mud line

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  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
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  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Signal Processing (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Pipeline Systems (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)

Abstract

The invention concerns an integrity monitoring system for monitoring integrity of at least a part of a stationary structure. The system comprises a vibration sensor for sensing vibration as a function of time, a computer, transmitting means for transmitting vibration data from the vibration sensor to the computer, means for acquiring position as a function of time data of a movable object, such as a vessel, a vehicle or a digging tool, where the movable object comprises a transmitter,and transmitting the position as a function of time data to the computer when the movable object is within a selected distance to a monitoring site. The monitoring site comprises the part of the stationary structure to be monitored and the vibration sensor is arranged to sense vibrations within the monitoring site. The computer comprises hardware and software for comparing the vibration data with the position as a function of time data.

Description

The method of the integrality of integrality monitoring system and monitoring static structures
Technical field
The present invention relates to monitor the integrality monitoring system of integrality of at least a portion (for example pipeline or power cable) of marine or land static structures.The invention still further relates to the method for the integrality of at least a portion of monitoring static structures.
Background technology
Known use sonic transducer is for example observed reinforcing bar breakage or analogue with the monitoring pipeline.For example at US6, the example of this monitoring system has been described in 082,193.This monitoring system comprises the array of sonic transducer, and it is placed at interval and be deployed in the concrete pipelines of fluid filling along cable.Sensor is monitored to find out cacophonia, and what particularly cause owing to concrete reinforcing bar is damaged is unusual.Can be found out the position of reinforcing bar breakage by the data of collecting.
Acoustic monitoring system also has been applied to the sea.US7,751,977 have described the system of clashing between ship and the man-made structures of avoiding, and wherein sonic transducer is connected to or is positioned near the man-made structures.The data of measuring by sonic transducer are radioed to ship.
WO03/100453 has described the acoustic monitoring system that has some nautical receiving sets.By means of sound measurement, this system can find imbalance, vibration and leakage.US2009/0132183 has described and has been used for the technology that monitoring is operably connected to the pipeline of optical fiber, and optical fiber for example can be in conjunction with the observation of Brillouin's backscattering and relevant Rayleigh noise.
EP2006654 discloses the several method of the sonic transducer Leak Detection of the conveying of using nautical receiving set and distribution pipeline line.
In many cases, the sonic transducer system works of prior art is good.Yet, need improved monitoring system generally, be used for the integrality of monitoring static structures, particularly (for example several years) keep the integrality of the static structures of its position to monitor for a long time.
Summary of the invention
The purpose of this invention is to provide a kind of integrality monitoring system of integrality of at least a portion for the monitoring static structures, this integrality monitoring system provides high security for static structures and can provide with lower cost than its high beneficial effect simultaneously.
Integrality monitoring system of the present invention limits in claim and following explanation, example and accompanying drawing.
The further advantage of the present invention and embodiment thereof will be by dependent claims and the clear embodiment of following explanation, example and accompanying drawing.
Should emphasize, when when this uses, term " comprises " should be interpreted as open term, it is its feature that should be understood to enumerate concrete statement, as the existence of element, unit, integral body, step, parts and combination thereof, still do not get rid of existence or the interpolation of one or more other features set forth.
All features that contain in the scope of the invention and the preferable range can adopt variety of way combination within the scope of the invention, unless there is the concrete reason can not be in conjunction with this feature.
The core feature of integrality monitoring system of the present invention be this integrality monitoring system be arranged to or can obtain from least two different sources data and in conjunction with and/or these data relatively.Can make this integrality monitoring very reliable with very simple mode thus.In addition, this integrality monitoring system at least a portion that can provide and operate to monitor static structures in attractive mode economically.
Term " static structures " is used herein to and remains in the rest position generally in the not damage condition that is illustrated in and alternatively because the influence of physical environment, for example wind and/or water and be subjected to any solid structure of finite motion.For example, if static structures is down structure of sea, then for example when under water current cause vibration, for example because the variation in the sea bed that causes as the sediment of the movement on sand dune may cause freely intaking of static structures in one embodiment.Other example of static structures provides below.
In the narration below, term " static structures " comprises the whole or a part of of static structures, unless specify in addition.
The integrality monitoring system of integrality of at least a portion for the monitoring static structures of the present invention comprises at least:
-vibration transducer
-computing machine;
-the vibration data that is used for the sensor of self-excited oscillation in the future is transferred to the transmitting device of computing machine; With
-be used for obtaining and transmit device as the position data of the function of time.
Should be noted that the integrality monitoring system can comprise other element described below and/or function.
In addition, should be noted that computing machine can be integrated in any other element of integrality monitoring system, for example computing machine or its part can be combined with vibration transducer.Computing machine can be the part of calculation element or the device of any kind.Computing machine be defined herein as can computational data device.In other words, computing machine can receive data and can be programmed to utilize the data of reception to calculate.Computing machine can be the programmable machine that can receive input data, deal with data and output is provided with useful form.Storer is the integration section of computing machine or it and Computer Data Communication normally.Computerized optimization uses the operation of (one or more) digit manipulation system, and preferably uses integrated circuit technique and comprise microprocessor.In most situation, preferably, computing machine is PC or comprises PC or the part of PC that wherein one or more computing elements can be incorporated in another element or other element of system, for example by embedding in this other element.
The data of " data " expression any kind of, but will be with the form of digital data signal or analog data signal or combination in most applications, and it for example uses graphics card or other data conversion to change.
" as the position data of the function of time " also will be called as " position (h) " and be illustrated in the physical location of preset time.The position can be with structurally associated under the sea or in geographic coordinate.Time can be in standard time for example navigation standard time or UTC(Coordinated Universal Time(UTC) from the form of known (for example selected) starting point elapsed time or its) or other time zone.
" integrality monitoring " represents that whether this monitoring can detect under the sea to be monitored structure division at least badly damaged, for example hinders the damage of its normal running.Preferably, integrality monitoring enough responsive with in addition can monitor the sea down structure lighter damage or even can by monitoring show the sea down the dangerous parameter that increases of structural failure prevent damage.
" vibration " is appreciated that the vibration of any wavelength of expression at this, however particularly acoustic vibration, and it it should be understood that at liquid and the mechanical wave in solid alternatively at this.
The integrality monitoring system comprises: at least one vibration transducer, for detection of the vibration as the function of time; Computing machine; Transmitting device, the vibration data that is used for the sensor of self-excited oscillation in the future is transferred to computing machine; Be used for when loose impediment is in the selected distance of monitoring point, obtaining and transmit to computing machine the device as the position data of the function of time of the loose impediment that comprises transmitter, wherein the monitoring point comprises that the part of static structures and vibration transducer are arranged to detect the vibration in the monitoring point, and computing machine comprises that hardware and software is used for comparing with vibration data with as the position data of the function of time.
Loose impediment can be the loose impediment of any kind of in principle, it comprises transmitter so that it can be directly as the position data of the function of time or via one or more other elements, for example comprise one or more wireless transmission, global location element or other transfer element of satellite, the Internet, be transferred to computing machine.Loose impediment for example can be vehicle, aircraft, power-driven tool or ship.Below will provide further example.
In one embodiment, static structures is the structure of fixing basically, for example use in static mode and/or be placed on the ground and/or sea bed on and/or static structures embedding and/or that ditch buries.
" basically fixing " expression static structures does not move on one's own initiative, and namely it is not connected to or comprises motorised units.Preferably, basically under the Gu Ding sea structure do not surpass+-the approximately movement of 20m distance, more preferably, basically under the Gu Ding sea structure do not surpass+-the approximately movement of 10m distance, even more preferably, basically under the Gu Ding sea structure maximum proceed to many+-the approximately movement of 5m distance.For example fix and by restriction or to stop that anchor or anchoring structure, one or more screw/nut system or other retaining element that static structures moves provide.
In one embodiment, Gu Ding structure carries out influencing the passive movement that provides by the destructuring from environment basically, for example by the passive movement that influence directly or indirectly provided from wind or water.
In one embodiment, wherein static structures is the structure of fixing basically, by being placed under the sea that structure under on the sea bed or the embedding sea and/or ditch bury structure or by structure under the embedding non-sea, this structure is used in static mode.
" sea down structure " is arranged in undersea structure or structure division in this expression, thereby the certain applications of its integrality to be monitored of structure are in below the sea to the Shaohai.
" structure under the non-sea " is not structure or the structure division of structure under the sea as defined above in this expression, thereby the certain applications of its integrality to be monitored of structure are in more than the sea under the non-at least sea.
Correspondingly, if the part of its integrality to be monitored of static structures more than the sea and the part of another its integrality to be monitored of static structures below the sea, then static structures can comprise down structure under structure and the Fei Hai of sea.
Term " ditch buries " is used for specifying extra large structure applications down in groove, but not being deposited thing covers fully.Term " embedding " be used for specifying static structures for example the sea down structure be deposited thing, sand, stone, concrete and/or pitch and cover fully.
Any solid matter that term " sediment " expression or is etched, carries and precipitates.Term " covering material " is to cover the adopted name of the material that maybe may cover static structures and comprise sediment, sand, stone, concrete and/or pitch.
In order to obtain substantial benefit from using integrality monitoring system of the present invention, static structures is a kind of like this structure preferably, this structure is in the danger that is damaged by loose impediment or its part at least in part, perhaps is in the danger that is connected with loose impediment or damages with its part that moves.
In addition, static structures can be partially or completely to hide and can not visual monitoring, and perhaps it may have at least one and makes its visual monitoring difficulty or expensive large scale.
In one embodiment, static structures is elongated structure, and its length dimension is perpendicular to its maximum sized about at least 100 times that its length dimension is measured.Static structures can preferably have at least approximately 10m, for example the length of about at least 100m.
Be or comprise in the situation of cable, pipeline and/or optical fiber that the integrality monitoring system is useful especially at static structures.Cable, pipeline, optical fiber and combination thereof are quite long usually, visual monitoring difficulty or expensive and be subjected to moving-member for example mobile object or its part or be connected with loose impediment or with the damage of its part that moves in many cases.Integrality monitoring system of the present invention provides the useful solution of monitoring cable, pipeline, optical fiber and/or its combination or its part especially.
In one embodiment, static structures is alternatively or comprises bunch of cables.
Bunch of cables is made of two or more dissimilar cables, pipeline and/or optical fiber.They may be integrated with each other more or less, and for example sheave or they for example can be completely integrated in conduit, umbilical cables or similarly in the outer cover each other in two or more positions at least along its length.
In static structures was a embodiment under the situation of structure under the sea, sea structure down was the flow line of using along substantially horizontal direction (flow line).
In static structures was a embodiment under the situation of structure under the sea, sea structure down was the lifter of using with the direction of perpendicular.
Structure is known in the art and will can describe in more detail at this under this sea.
In one embodiment, static structures is the transmission static structures, for example can transferring electric power and/or electromagnetic static structures and/or can conveying flowable mediums the static structures of fluid such as hydrocarbon fluid and/or water for example.
Electromagnetic wave represents to have the electromagnetic radiation of the ripple of any frequency, and electromagnetic wave for example can be radiowave, microwave, infrared radiation, visible light, UV radiation, X ray and gamma ray.Electromagnetic wave can preferably have about 10nm or bigger wavelength.For optical fiber, wavelength can be to about 2000nm, and preferably in 400nm to 1600nm usually from about 10nm.In one embodiment, wavelength preferably can be radiowave (from about 1m and longer) or microwave (from the extremely about 1mm of about 1m).
The integrality monitoring of transmission static structures provides important security, and even can prevent owing to the leakage of hydrocarbon and spill the infringement that produces, and/or the loss of air feed, water or electric power, these may be expensive and/or may cause trouble to average family for factory for example, hospital and other.Because integrality monitoring system of the present invention, can predict infringement and can static structures is whole closes and/or replace the transmission static structures before breaking suddenly in transmission.
In one embodiment, the integrality monitoring system can provide the selection of the transmission static structures of repairing slight damage to break suddenly to prevent it, thereby has prolonged the serviceable life of transmission static structures.
In one embodiment, static structures comprises cable, for example signal and/or feeder cable, it preferably is selected from high voltage power cable (about more than 72 kilovolts, for example up to about 550 kilovolts or even higher), medium-pressure power cable (approximately 10-72 kilovolt), hyperconductive cable, optical cable and/or telecommunication cable.
In one embodiment, static structures comprises pipeline, for example for delivery of fluid such as water, gas and/or the hydrocarbon pipeline of crude oil for example.Thereby because integrality monitoring system of the present invention can prevent spilling of fluid.
Vibration transducer can be to have the sensitivity of enough detection vibration in order to the sensor of any kind of the integrality monitoring of static structures to be monitored or its part is provided in principle.Vibration transducer is well known to a person skilled in the art, and for example by the producer of contact vibration transducer, those skilled in the art can find one or more suitable vibration transducers for given integrality monitoring system.When selecting vibration transducer, the technician for example can consider for example to be used for cost, the vibration transducer of sensitivity, the vibration transducer of the vibration transducer of dissimilar vibration/noises expectation serviceable life, vibration transducer degree of accuracy with and size and obtain possible mode from the output of vibration transducer.For example the example for the preferred sensor of the given application of integrality monitoring system provides below.
In one embodiment, vibration transducer is sonic transducer.Sonic transducer is well known in the art and is used for many different application.Vibration transducer can preferably include microphone, nautical receiving set, sseismograph and/or fibre-optical acoustic sensor.
In one embodiment, vibration transducer continued operation and can obtain output signal continuously along with the process of time.The vibration transducer of many types is suitable for this continued operation, operates with predetermined time interval during vibration but also can be applied as in when collision and/or on certain selected db level.
In one embodiment, vibration transducer is operated with predetermined time interval.
In one embodiment, the integrality monitoring system comprises the regulatory function for the operation of regulating vibration transducer.
Regulatory function for example can be to be applicable to the activity of adjusting vibration transducer and/or automatic, the semi-automatic governor motion that maybe can arrange of sensitivity.
In order to save electric power (for example, battery electric power), regulatory function can be regulated automatically according to activity in one embodiment.Yet, in most applications, namely being placed on the bank and not relating in the situation based on the system of battery at all effective parts, battery saving mode is very big meaning not.Generally speaking, even without battery saving mode, the electric power amount that needs also is lower.
In one embodiment, regulatory function is to regulate the automatic or semi-automatic governor motion of the sensitivity of vibration transducer.Generally speaking, the noise in the static structures surrounding environment and the monitoring point along with the time through not being invariable and neither homogeneity along whole static structures.Thereby in order to obtain suitable sensitivity, if vibration transducer can comprise that this automatic or semi-automatic governor motion for filtered noise will be useful.Automatic or semi-automatic governor motion for example can comprise the gain control of depending on scope and time in order to handle along static structures and/or along with the variation of the background noise level of effluxion.
For the more consideration of strong security, in one embodiment, the integrality monitoring system can comprise one or more standby vibration transducers.These one or more standby vibration transducers can be used for replacing the vibration transducer that breaks down and/or be used for the vibration transducer that check is used, and for example are used for the vibration transducer that calibration is used.One or more backup sensors can be identical or different by the vibration transducer of its replacement or check with supposition.Generally speaking, if one or more backup sensors is chosen to and supposes type that the vibration transducer being replaced by one or more backup sensors and/or check is substantially the same or similar at least, be fairly simple.In one embodiment, one or more backup sensors are chosen to low and their only suitable uses when initial vibration transducer is being replaced of vibration transducer that the mass ratio supposition is replaced by one or more backup sensors.
Preferably, one or more backup sensors can be placed to their suitable vibration transducers of replacing and/or checking of next-door neighbour.
In one embodiment, one or more backup sensors are placed on the position that is fit to the vibration transducer of replacement and/or check away from them.If for example vibration transducer is integrated vibration transducer, then standby vibration transducer can the integrated vibration transducer of right and wrong.
Vibration transducer can be placed on Anywhere with respect to static structures in principle, as long as it can detect the vibration in the monitoring point that comprises static structures part to be monitored at least.The optimum position of vibration transducer depends primarily on the type of static structures to be monitored and should where monitor.In addition, as will be in explanation after a while, some that vibration transducer is shown be arranged the benefit that provides extra.
In one embodiment, system comprises and is arranged to directly contact the vibration transducer of vibration with monitoring static structures itself with static structures.In noisy relatively environment, the vibration that vibration transducer is arranged to directly contact with monitoring static structures itself with static structures may be very useful.Thereby, the more accurate integrality monitoring that can leach noise fairly simplely and can obtain static structures.In addition, itself may just in time be exposed in the situation of infringement at vibration transducer, vibration transducer can---for example by being integrated in the static structures---be protected by directly contacting with static structures.
In one embodiment, system comprises and is arranged to not the vibration transducer that directly contacts with static structures.This embodiment may have extra benefit, namely can obtain the point-device mensuration between static structures and the loose impediment.For example, pass through vibration transducer if the integrality monitoring system can be arranged to loose impediment, just starting warning horn.If for example static structures is that embedding water pipe and sensor is embedded in the water pipe top for example more than the 10cm, and mobile object is boring bar tool, if then Cao Zuo drilling machine is too near to water pipe, just can give the alarm, only still avoid simultaneously because boring bar tool near water pipe and cry wolf.
In one embodiment, vibration transducer comprises at least one nautical receiving set, for example traditional electric nautical receiving set or fiber laser hydrophone.In the situation that vibration transducer is operated in wet or moist environment, for example in the environment of offshore, this is useful especially.
Nautical receiving set is specially adapted to wherein, and static structures is the sea offshore system of structure down.Nautical receiving set is point sensor.This sensor is well known in the art, will not be explained in more detail at this.In one embodiment, nautical receiving set is fiber laser hydrophone.This fiber laser hydrophone is allowed very long light signal (connection) cable.But it is still point sensor.The example of useful nautical receiving set for example is described among US5227624, US4536861, US4841192, US4958329 and the US5136549.
In one embodiment, vibration transducer is distributed vibration transducer.
Distributed sensor for example Fibre Optical Sensor provides following advantage: can be with the long scope of sensor monitoring, and as 1km or longer even for example up to the hundreds of kilometer, as 5-100km or 10-50km.Thereby under the long relatively situation of static structures to be monitored, distributed vibration transducer is used in the integrality monitoring system highly beneficial.Yet the processing of the data of obtaining by distributed vibration transducer may need complicated computer programming.Yet the software that is used for this data processing is available, and can---not have under the situation of undue burden---to be selected by the technician.Usually the necessary software of given distributed vibration transducer is sold with distributed vibration transducer.
In one embodiment, vibration transducer comprises Fibre Optical Sensor, and Fibre Optical Sensor preferably is arranged through the operation of backscattering effect, for example Brillouin's backscattering, Raman backscatter, rayleigh backscattering.
In one embodiment, optical sensor utilizes the polarization property operation of optical fiber, is used to the possible distortion of detection fiber with the polarization property that is preferably so that backscatter signals, if there is distortion (for example being caused by sound wave).
In one embodiment, vibration transducer comprises Fiber Bragg Grating FBG (FBG) sensor.
The vibration transducer of mentioning type above all is well known in the art.
In the future to be transferred to the transmitting device of computing machine can be the device of any kind to the vibration data of self-excited oscillation sensor, and it can or can not be integrated in any element/object of integrality monitoring system or it can by outer member such as the Internet is all or part of provides.Be well known that now data can comprise digital transmission unit by multiple different approaches transmission.
In one embodiment, vibration transducer is integrated with transmitting device or is directly connected to transmitting device.Vibration transducer can for example be directly connected to computing machine and transmitting device provides by direct connection, and/or vibration transducer comprises transmitter, for example bluetooth transmitters or remote transmitter.In this embodiment, vibration transducer Fibre Optical Sensor preferably.
In one embodiment, computing machine is not directly connected to vibration transducer.In this embodiment, computing machine is the remote computer that is arranged in from a certain distance of vibration transducer alternatively, can be any distance on this distance principle.In one embodiment, computing machine is the remote computer that is arranged in from a certain distance of vibration transducer, and this distance is at least about 1m, at least about 5m for example, and at least about 100m for example is for example up to about 100km or even more.
Computing machine for example can be the central integrality monitoring computer that connects several integrality monitoring systems, and wherein at least one integrality monitoring system is according to integrality monitoring system of the present invention.Thereby the central integrality monitoring of many static structures of being positioned under the sun is provided is possible.In this embodiment, preferably, the transmitting device that the vibration data that is used for the sensor of self-excited oscillation in the future is transferred to computing machine preferably includes via the Internet transmission data.
In one embodiment, to be directly connected to vibration transducer and vibration transducer be optical fibre vibration sensor to computing machine and directly connect at least a portion that transmitting device is provided.
In one embodiment, the transmitting device that the vibration data that is used for the sensor of self-excited oscillation in the future is transferred to computing machine comprises wireless transmission and/or via transmission and/or the power line communication (PLC) of optical fiber, wireless transmission can for example be radio or microwave frequency transmission, and it not only comprises remote transmission but also comprise short-range transmission (bluetooth).
In one embodiment, the vibration data that is used for the sensor of the self-excited oscillation in the future device that is transferred to computing machine comprises recording medium.In this embodiment, the vibration data of transmission comprises as the vibration of the function of time and as the vibration data of the function of time and being delayed for example have about 10 minutes to about 30 days time delay, for example from about 1 hour to about 24 hours.
The device that superincumbent vibration data for self-excited oscillation in future sensor is transferred to computing machine comprises the embodiment of recording medium, and the integrality monitoring system can be by record as the vibration of the function of time and under free situation about postponing the data of record are for example radioed to computing machine and operate.In one embodiment, the integrality monitoring system is operated and is passed through: on length sometime first recording medium record as the vibration of the function of time, stop at first recording medium record and the data of record for example wirelessly be transferred to computing machine or for example be transferred to computing machine by first recording medium (its can be movably recording medium) physically is connected to computing machine.System can operate so that the data that record at first recording medium depend on to the transmission of computing machine the loose impediment that is transferred to computing machine as the position data of the function of time and/or depend on observed possible fault/damage on static structures.When first recording medium record stops or with this, stopping when constantly overlapping, can be for example on another recording medium opening entry to obtain complete record.
Like this, be not that all vibration datas all need to be transferred to computing machine, but for example under the situation that the damage of early stage event such as static structures occurs, can analyze vibration data after a while, or can check vibration data in the stage subsequently for other reasons.
If particularly vibration data is delayed under the situation of transmission, the transmitting device that the vibration data that is used for the sensor of self-excited oscillation in the future is transferred to computing machine can be arranged to transmit the vibration data as the function of time.Yet, in one embodiment, can under the situation of not free data, transmit vibration data.In the latter's situation, the time relevant with corresponding vibration data is produced by system, is preferably produced by computing machine.If if vibration data is known by the length of lingeringly not transmitting or postpone, if for example it is constant time delay, then this may be useful especially.
In one embodiment, the integrality monitoring system comprises the recording medium as the vibration data of the function of time that is transmitted for record.This record can be used for statistics so that calibration and/or be used for the subsequent analysis event.
The device as the position data of the function of time that is used for obtaining and transmits loose impediment can comprise any device and combination thereof.As mentioned above, the transmission of the data of the transmission of data, particularly numeral or analog form is known and the technician can not have undue burden and only by utilizing common skill can use many system/methods.
Generally speaking, wish to be used for obtaining and the device as the position data of the function of time that transmits the loose impediment that comprises transmitter comprises radio transmitting device.
In one embodiment, the device as the position data of the function of time that is used for obtaining and transmits loose impediment comprises receiver, and receiver can transmit via the Internet, directly receive position data as the function of time via artificial satellite and/or via exterior antenna from the transmitter (for example using the VHF transmitter) of loose impediment.Receiver can be alternatively computing machine integrated component or with computer radio or optical fiber communication.
In one embodiment, be used for obtaining and the device as the position data of the function of time that transmits loose impediment comprises recording medium.In this embodiment, the position data as the function of time that is transmitted is delayed, and for example has about 10 minutes to about 30 days time delay, for example from about 1 hour to about 24 hours.
Above-mentioned for obtaining and comprise the embodiment of recording medium to the device as the position data of the function of time of computing machine transmission loose impediment, the integrality monitoring system can by the record loose impediment as the position of the function of time and under free situation about postponing, the data of record are for example radioed to computing machine and operate.In one embodiment, the integrality monitoring system is operated and is passed through: on length sometime first recording medium record as the position of the function of time, stop at first recording medium record and the data of record for example wirelessly be transferred to computing machine or for example be transferred to computing machine by first recording medium (its can be movably recording medium) physically is connected to computing machine.System can operate so that the data that record at first recording medium to the transmission of computing machine depend on be transferred to computing machine as the vibration data of the function of time and/or depend on observed possible fault/damage on static structures.When first recording medium record stops or with this, stopping when constantly overlapping, can be for example on another recording medium opening entry to obtain complete record.
Like this, all positions as the function of time that are not loose impediment all need to be transferred to computing machine, but can analyze position data as the function of time after a while in order to analyze early stage event.
In one embodiment, the integrality monitoring system comprises the recording medium as the position data of the function of time that is transmitted for record.This record can be used for statistics so that calibration and/or be used for the subsequent analysis event.
In one embodiment, computing machine comprises hardware and software, whether it comprises at least for the processor that will compare as the position data of the function of time and the vibration data that is associated to the same time, be or comprise the vibration that is caused by loose impediment such as ship in detected vibration preset time so that can estimate vibration transducer at least.
About this point, hardware unit is the physical medium of computing machine, and software is represented computer program.As mentioned above, hardware or its parts can be integrated in the miscellaneous part of integrality monitoring system, for example in the vibration transducer.The software that uses in the integrality monitoring system can be that the known software of collecting various data, vibration data and position data as the function of time being compared and preferably for example provide the result to export on display, monitor and/or via printer is provided.
In one embodiment, computing machine comprise monitor and/or printer or with its data communication to show the data that receive and vibration data and as the comparative result of the position data of the function of time.
As mentioned above, the integrality monitoring system can comprise a plurality of vibration transducers, and they can be identical or differ from one another.
Preferably can select vibration transducer and be used for alternatively vibration transducer software so that the integrality monitoring system can determine to vibrate with respect to vibration transducer and/or with respect to the direction of static structures.
In one embodiment, the integrality monitoring system comprises that at least one is the optical fibre vibration sensor of distributed or quasi-distributed forms of sensor.Quasi-distributed sensor should be counted as a kind of like this sensor of expression, and it is not distributed sensor, but it is the detection output of distributed sensor applicable to providing as it.
In one embodiment, optical fibre vibration sensor and/or computing machine can be fit to obtain or handle alternatively the output signal from a plurality of designated length section N of optical fibre vibration sensor, select segment N preferably has at least approximately length of 1m separately, for example reach about 50m, for example from about 1 to 10m, the length of various piece preferably equates basically.
In the above-described embodiment, a plurality of designated length section N of optical fibre vibration sensor for example can systematically arrange along the length of optical fibre vibration sensor basically, simplify the computation process of the vibration data that obtains distribution thus.Length section N can be overlapping section, next-door neighbour's section or the section that a segment distance is arranged each other.
In one embodiment, system comprises the sensor array form that for example is discrete or is sensor array distributed or the quasi-distributed optical fiber forms of sensor.Computing machine can preferably be fit to obtain and handle the vibration data from sensor array.In a preferred embodiment, computing machine comprises that the object that wherein sends vibration is loose impediment alternatively be used to the software of direction, distance and/or the speed of the object of determining to send vibration.
In a preferred embodiment, the integrality monitoring system is arranged to the vibration data of or quasi-distributed sensor distributed from sensor array is carried out wave beam shaping function (beam forming function).
In one embodiment, wish that the integrality monitoring system is arranged to carry out the wave beam shaping function, namely can calculate the direction of vibration (sound), it is allowed arrival is that the sound wave travel direction is estimated.
Sensor array and computing method (software) are well known in the art and for example can find further description in US7415117 and US7369459.The wave beam shaping function can comprise the calculating based on 2 crossing methods (cross bearing method).About how carrying out and optimizing the further information of ARRAY PROCESSING and example and for example can find in (ISBN0-471-09390-4) at Harry L.Van Trees " Optimum Array Processing (Detection; Estimation; and Modulation Theory, Part IV) ".
According to the present invention, the integrality monitoring system comprises the device as the position data of the function of time that obtains when being in the selected distance of monitoring point when loose impediment and comprise the loose impediment of transmitter to the computing machine transmission, and wherein the monitoring point comprises static structures part to be monitored.The place of monitoring is preferably wished in the monitoring point, and for the simplification system, and it is identical with the occupied place of static structures part to be monitored that the monitoring point can preferably be chosen to.If monitor several static structures by an integrality monitoring system, then the monitoring point preferably is chosen to comprise the minimum place of all static structures to be monitored.
Selected distance from the monitoring point can be on some direction or distance in all directions.If for example static structures is embedding static structures, then selected distance needn't comprise the selected distance below the static structures because loose impediment unlikely below embedding static structures near static structures.
In addition, selected distance needn't be all identical in all directions, but can change, and for example makes selected distance on the horizontal direction greater than the selected distance on the vertical direction.Preferably in conjunction with the selection of making distance from the risk of the damage of loose impediment or the relevant/element that links to each other.
System so arranges so that when the loose impediment that comprises transmitter is in the selected distance, can obtain and transmits position data as the function of time to computing machine.As long as loose impediment is not in the selected distance, just can be regardless of as the position data of the function of time and do not obtain it and/or it is transferred to computing machine.The position data of incoherent function as the time can be ignored by system thus.
Should be noted that selected distance can be selected so greatly so that the position data of a large amount of irrelevant functions as the time is transferred to computing machine.In this case, the expectation computing machine comprises for the software of classification as the position data of the function of time.
Integrality monitoring system of the present invention can be on the bank the integrality monitoring system or the integrality monitoring system of offshore.Should be clearly as the technician, integrality monitoring system on the bank and the integrality monitoring system of offshore detailed select part preferably coupling system type and select in conjunction with whether it will be applied in the water.
In a preferred embodiment, the integrality monitoring system is the integrality monitoring system of offshore, and static structures is that extra large structure down and loose impediment are ships.
Ocean-going vessel, ship or the submarine of any kind of term " ship " on this is used for representing tiding over and/or can navigate by water Yu Haiyang, in the canal and/or the river.In one embodiment, ship comprises all ships more than 300 tons at least.In one embodiment, ship comprises all ships more than 40 tons at least, for example comprises the long fishing boat of for example 25-100m of trawlboat.
Structure example is as being any static structures of aforesaid off-shore applications under the sea.
In one embodiment, the sea down structure be the lifter that extends along the direction of perpendicular at least a portion of structure under the sea." direction of perpendicular " should be in conjunction with the sea that is in the hydrostatic state, and represents that generally it on the sea bed, is not that ditch buries and/or embedding and it is not used perpendicular to ground, sea in fact that lifter is not applied to.In one embodiment, lifter extends to the station, sea of ship for example or platform from sea bed.
In one embodiment, the sea is descended structure to comprise and is laid on flexible cable on the sea bed, that ditch buries and/or embedding and/or flexible pipe.
In the integrality monitoring system of offshore of the present invention, be used for obtaining and can preferably include the data of obtaining from automatic recognition system (AIS) to the computing machine transmission as the device of the position data of the function of time, data are transmitted, are directly obtained via VTS (VTS) and/or via the transmitter of exterior antenna from ship via the Internet, and the transmitter of ship is transponder.
AIS is international ship tracker.From in Dec, 2004, International Maritime Organization (IMO) (IMO) just requires all ships more than 300 tons to carry the AIS transponder with ship, the transmission of AIS transponder their position, speed and course, and some other static informations are as identity, size and the navigation details of ship.
The purpose of AIS is to help ship to avoid collision at first, and helps port office to control maritime traffic better.That generally speaking, generally acknowledges comprises the positioning system of assembling position and motion details, for example LORAN-C or GPS(GPS with ship AIS transponder) receiver and the VHF transmitter that transmits this information and these data can be used for common field.The AIS transponder can further be integrated with other electronic navigation sensors, for example gyrocompass or turing indicator.Other ships or base station can receive this information, utilize simple software handle it and on plotter or computing machine show the ship position.
The AIS position data can obtain in the Internet by many government and private operation Geographic Information System, www.marinetraffic.com for example, www.vesseltracker.com, www.vtexplorer.com, and www.shiptracking.eu.
" VTS (VTS) " is the maritime traffic monitoring system of being set up by harbour or port office, and the purpose of VTS is to improve the protection of marine environment in the safety of navigation and efficient, marine life security and harbour or the peripheral region, harbour.VTS is by 12 of International Convention for the Safety of Life at Sea (SOLAS) chapter 5 and vessel traffic service (VTS) outline (IMO Resolution is (20) A.857) management, and it was formally passed through by International Maritime Organization (IMO) on November 27th, 1997.
VTS has comprehensive traffic image usually, this means can easily obtain influencing all factors of traffic and participate in the information of ship and purpose thereof about all.By means of traffic image, can estimate situation about developing and respond.
In an embodiment of the integrality monitoring system of offshore, obtain position data as the function of time via the Internet that leads to computing machine.
In one embodiment, the monitoring point is chosen to substantially the same with the occupied place of structure division under the sea to be monitored.
In one embodiment, the monitoring point is chosen to elongated zone, and its width reaches about 100m, for example reaches about 10m in the horizontal direction and perpendicular to the global direction of structure under the sea, it highly is enough to comprise sea structure down.The sea down global direction of structure is to ignore the length direction of structure under the sea of little bending along 5m or littler length.
In an embodiment of the integrality monitoring system of offshore, provide selected horizontal zone to the selected distance of monitoring point, and system layout is so that computing machine obtains position data as the function of time from the ship with transmitter in selected horizontal zone.
In an embodiment of the integrality monitoring system of offshore, choose the selected distance of monitoring point so that noisy at least average 40 tons ship and/or the ship of vibration (sound) that sends about 100db are also in selected distance in the sensing range of vibration transducer.
Can guarantee like this when vibration transducer detects 40 tons of average noise ship, the position data as the function of time of noisy average 40 tons ship is transferred to computing machine with interrelated with detected vibration data.
In one embodiment, the selected distance to the monitoring point is chosen to enough big so that any ship in the appreciable position of vibration transducer (it is in the position by the vibration transducer record) all will be in the selected distance.
Generally speaking, the most important ship that has as the position data of the function of time is towboat and the fishing boat that is approaching, because these ships have the equipment that pulls along sea bed usually, observe these ships in addition usually and under the situation that its anchor pulls along sea bed, navigate by water mistakenly.In these situations, sea structure down may be in the impaired high-risk.Therefore the selected distance of the integrality monitoring system of offshore preferably be chosen to be make the integrality monitoring system of offshore can have sufficient time detecting to these towboats and fishing boat with the startup warning horn and preferably warn this ship.
About this point, should be noted that velocity of sound and the distance of the given detected vibration of sensor energy at least slightly depends on the salt content of water temperature, water and turbulent flow and the current of water.Therefore unless otherwise indicated, conclusion should be determined in the water of hydrostatic, average water temperature and salt content.
In most situation, average weather condition, temperature, turbulent flow, salinity etc. are known for the given area, and selected distance can have safety hold under the situation of nargin selected so that can be transferred to computing machine by the position data as the function of time of detected all ships of vibration transducer.
In one embodiment, to the selected distance of monitoring point corresponding at least about 100m of structure down apart from the sea, at least about 1km of structure down apart from the sea preferably, at least about 2km of structure down apart from the sea preferably, the more preferably at least about 5km of structure down apart from the sea.When the monitoring point by the sea under structure occupy the position time, down the distance of structure is equal to distance to the monitoring point to the sea.
When system was the integrality monitoring system of offshore, vibration transducer should preferably have long scope.Usually it will stop ship or ship is turned to the long time, and preferably can more early provide the alarm about potential damage in dangerous situation.In addition, the vibration mode of offshore is usually more stable and be easy to identification, thereby noise can be filtered.Normally this vibration transducer of burden with long scope/highly sensitive vibration transducer also catches a large amount of noises, but as mentioning, this burden can by filter out the overwhelming majority or whole noise and simply overcoming.
In one embodiment, one or more vibration transducers be arranged to detect common anchor falls and/or the distance of anchor or similar means about 100m of structure under the distance sea in, preferably under the distance sea in the distance of the about 500m of structure, along the vibration of the towing of sea bed.May in the time of abundance, give the alarm to prevent the damage that the ship by the anchor that pulls along sea bed having of approaching or miscellaneous equipment brings thus.
In one embodiment, one or more vibration transducers be arranged to detect having of monitoring point be low to moderate about 30db, preferably be low to moderate about 10db, more preferably be low to moderate about 3db's or even be low to moderate the vibration of about 500Hz of the level of about 1db.
Usually nowadays known Fibre Optical Sensor is less with the most effective nautical receiving set phase specific sensitivity.Yet, for detecting by average 40 tons ship and/or sending for the vibration (sound) that the ship of about 100db vibration (sound) provides, for most vibration transducer, will be about 2km or more at about 50Hz to the vibration detection scope in about 1kHz scope.
By a plurality of vibration transducers being provided and arranging that its wave beam is shaped, sensing range can increase and the sensitivity of monitoring system also can increase.
In one embodiment, wish the sea down the sensing range around structure and the monitoring point be at least about 1km, at least about 2km and preferably up to about 10km for example.
For the frequency of 500Hz, the decay in sandy seabed is contemplated to about 0.12dB/m.The velocity of sound at water-sedimental interface place than the scope at 1.04-1.08 in.Velocity of sound in the water is about 1470m/s.
In an embodiment of the integrality monitoring system of offshore, one or more vibration transducers be arranged to detect having of monitoring point be low to moderate about 30db, preferably be low to moderate about 10db, more preferably be low to moderate about 3db or even be low to moderate the vibration from about 50Hz to about 1kHz of the level of about 1db.
In an embodiment of the integrality monitoring system of offshore, one or more vibration transducers are arranged to when in the scope of ship about 2km of structure under the distance sea, preferably when in the scope of ship about 4km of structure under the distance sea, preferably when in the scope of ship about 6km of structure under the distance sea, preferably when in the scope of ship about 10km of structure under the distance sea, detect about 500Hz of the level that is low to moderate about 100db that is caused by ship at hydrostatic to the approximately vibration of 1kHz.
As mentioned above, vibration transducer can be arranged in apart from the static structures distance, contact or be integrated in the static structures alternatively with static structures.In an embodiment of the integrality monitoring system of offshore, vibration transducer is installed in the mounting distance place of structure down, sea.
As long as vibration transducer can detect vibration from the monitoring point, in principle mounting distance can want much have much.Mounting distance for example can be up to about 1km, for example up to about 500m, for example up to about 100m, for example up to about 25m.In one embodiment, mounting distance is approximately between 1m and the about 100m.
In an embodiment of the integrality monitoring system of offshore, vibration transducer and sea structure down contacts or are integrated in the following structure in sea.
In the contact of this use " contact " expression physics, for example contact by installing or placing simply.
Preferably, the computing machine of the integrality monitoring system of offshore comprises hardware and software, at least comprise for will as the position data of the function of time be associated to the vibration data of same time and compare processor whether be or comprise by being identified the caused vibration of ship in detected vibration preset time so that can estimate vibration transducer at least.
The integrality monitoring system of wishing offshore usually comprises at least one storer, for example one or more storeies described above.
In one embodiment, computing machine comprise archival memory or with its data communication.Archival memory is appreciated that at this and comprises database or be arranged to the storer that comprises database.Database is to be understood as the organized data acquisition that can be used by one or more users.Archival memory preferably store by computing machine obtain as in the vibration data of the function of time at least some and/or as in the position data of the function of time some.
The integrality monitoring system of offshore of the present invention can set up thus by computing machine obtain as in the vibration data of the function of time at least some and/or as at least some the database in the position data of the function of time, and this database can for example be used for system calibration, be used for the prediction unscheduled event, be used for regulating the condition that starts alarm or other event.
In one embodiment, system comprises the archival memory with Computer Data Communication, and archival memory involving vibrations pattern is with respect to the calibration curve of the ship distance of one or more ships or one or more ships, and computing machine comprises for the software of calculating apart from the distance of the ship of process.
In one embodiment, sea down structure comprises under the sea embedding or that ditch buries that structure and system comprise and the archival memory of Computer Data Communication that wherein archival memory involving vibrations pattern is with respect to the calibration curve of the ship distance of one or more ships or one or more ships.
May wish that the integrality monitoring system can identify vibration mode.For example therein ship repeatedly for example regularly through structure under embedding or the sea that ditch buries, and vibration transducer is under the sea in structure or structure next door is embedding or ditch buries under the sea the situation, and the integrality monitoring system of offshore can detect the variation of level of vibration in the situation that the level of covering material changes.If the integrality monitoring system of offshore can be identified vibration mode, calculated direction, speed and other alternatively, then the computing machine of the integrality monitoring system of offshore can preferably include the software that changes for the covering material level of calculating on structure under the sea.
The integrality monitoring system of offshore can calculate and/or predict perhaps that whether and when the level of covering material not enough or become not enough thus, and can apply other covering material before the structural failure under the sea for example to prevent the damage of structure under the sea.
Be used for to determine and comprising an embodiment that obtains from the data of automatic recognition system (AIS) to the computing machine transmission as the device of the position data of the function of time that computing machine is arranged to obtain from AIS or from the other data in another source.Computing machine for example can be arranged to obtain one or more in the prediction/forecast of unique identification, course line, speed, moving direction, warning, weather condition and described data.Usually wish that other data comprise the unique identification of ship at least.
For example can comprise wind direction and speed data and about the information of thunder and lightning about the information of weather condition.The weather condition data for example can directly be provided by the Internet.
Information about weather condition for example can be predicted the potential risk that anchors in the strong wind situation, and may trigger alarm.
Some weather condition may reduce/increase the sensitivity of vibration transducer.Therefore weather condition or weather condition forecast can be used to regulate the startup set-point of alarm in one embodiment, and in other words, the startup set-point of alarm depends on the weather.
No matter to obtain at which source the position data as the function of time from, the integrality monitoring system can be arranged to collect the data relevant with weather as the function of time, for example weather forecast and/or the statistics relevant with weather and/or the data of being correlated with weather condition.
Relevant data for example can be used for prediction integrality monitoring system and will how about react to various types of weather and/or improved weather forecast is provided as the statistics relevant with weather of the function of time and/or with weather condition, and this can be used for regulating one or more elements of integrality monitoring system.
In one embodiment, computing machine comprises that structure is by the software of the potential danger of ship or device by ship damage under the calculating sea.This calculated example is as can be based on vibration data with as the position data of the function of time and alternatively from other data of archival memory at least some, for example data relevant with weather and/or the course line of speed, moving direction and/or mobile object.
In an embodiment of the integrality monitoring system of offshore, computing machine comprises for at least some vibration datas and the sea software that is associated of the potential danger damaged by ship or device by ship of structure down.When estimating, calculating or otherwise predicting danger, can start warning horn thus.
In one embodiment, system comprises the warning horn that starts when being arranged under sea structure has the potential or actual danger of damage.Computing machine can preferably be arranged to calculate the sea potential or actual danger of structural failure down.This calculating can be preferably based in the vibration data at least some and as in the position data of the function of time at least some.In one embodiment, system is adjusted to detecting and starts warning horn when having preassigned pattern and/or having the vibration data of the level of vibration more than the maximum vibration set-point.Thus, the danger of setting false alarm can significantly reduce and obtain more reliable warning system.
In one embodiment, one or more in the following situation are assessed as alarm.
Detect the ship that changes or do not change the unusual low speed of direction.
Unusual high level of vibration.
Can not be associated with the very high level of vibration of specific loose impediment.
The vibration/noise that does not have retrievable AIS data.
The sea is the stable increase of the level of vibration of certain part on the time period in for example 1 month/6 months/1 year of structure down.
In one embodiment, the integrality monitoring system is integrality monitoring system on the bank.In this embodiment, structure under the static structures right and wrong sea for example is applied to any above-mentioned static structures on the bank.Static structures preferably includes cable and/or pipeline.
In the embodiment of integrality monitoring system on the coast, static structures is by embedding or be supported on one or more pylons.
In the integrality monitoring system on the coast, loose impediment can be can move on the coast and comprise for the loose impediment of transmission as any kind of of the transmitter of the position data of the function of time.Loose impediment for example can be vehicle, aircraft and/or power-driven tool.
Be the transmission static structures at static structures, for example in the situation of pipeline, cable and/or optical fiber, loose impediment can be industrial vehicle, trailer for example, have vehicle and or motor-driven digging tool such as the drilling machine of digging tool.
Preferably, loose impediment comprises or is connected to positioning system, for example GPS(GPS) position and optional mobile details and be arranged to preferably transfer data to the unique identification of loose impediment the transmitter of computing machine.
In the embodiment of integrality monitoring system on the coast, system comprises that transponder can receive and transmit vibration data alternatively in addition for receiving as the position data of the function of time and being used for data wirelessly and/or be transferred to the transponder of computing machine via the Internet alternatively.
In the embodiment of integrality monitoring system on the coast, system layout becomes to make computing machine to obtain the position data as the function of time from the loose impediment that has transmitter in the selected distance of distance monitoring point.Computing machine for example can be directly obtains position data as the function of time from loose impediment via its transmitter.
In integrality monitoring system on the bank of the present invention, selected distance is preferably shorter, if particularly static structures is arranged as more noisy environment.
In the embodiment of integrality monitoring system on the coast, apart from the selected distance of monitoring point corresponding to from least about 10m of static structures, at least about 100m of structure down off sea preferably, the preferably at least about 500m of structure down off sea.
In the embodiment of integrality monitoring system on the coast, be at least approximately 10m, preferably at least approximately 100m, preferred at least about 500m from the monitoring point apart from the selected distance of monitoring point.
In one embodiment, the loose impediment that selected distance can be from one type loose impediment to another kind of type and difference.For example in one embodiment, the selected distance of drilling machine can be about 20cm and the selected distance of industrial vehicle can be about 10m.
Loose impediment therein is in the embodiment of integrality monitoring system on the bank of power-driven tool, apart from the selected distance of monitoring point from about 5cm to about 5m, for example from 5cm to about 1m, for example from about 10cm to about 50cm.
In the embodiment of integrality monitoring system on the coast, arrange one or more vibration transducers with detect having of place, monitoring point be low to moderate about 30db, preferably be low to moderate about 10db, more preferably be low to moderate about 3db or even be low to moderate the vibration from about 50Hz to about 1kHz of the level of about 1db.
In the embodiment of integrality monitoring system on the coast, vibration transducer is installed in the mounting distance place of static structures.Mounting distance for example can be up to about 100m, for example up to about 25m.In the environment of high noisy, it is shorter that mounting distance should be preferably.
In the embodiment of integrality monitoring system on the coast, vibration transducer contacts or is integrated in the static structures with static structures.
In the embodiment of integrality monitoring system on the coast, computing machine comprises hardware and software, whether it comprises at least for the processor that will compare as the position data of the function of time and the vibration data that is associated to the same time, be or comprise the vibration that is caused by the loose impediment that is identified in detected vibration preset time so that can estimate vibration transducer at least.
In the embodiment of integrality monitoring system on the coast, computing machine comprise archival memory or with its data communication.Archival memory preferably store by computing machine obtain as in the vibration data of the function of time at least some and/or as in the position data of the function of time at least some.
In the embodiment of integrality monitoring system on the coast, computing machine is arranged to obtain other data, and other data comprise at least one in the prediction/forecast of unique identification, course line, speed, moving direction, warning, weather condition and described data.Other data can preferably comprise unique identification at least.
Can use other data and database according to above-mentioned corresponding manner for integrality monitoring system on the coast.
In the embodiment of integrality monitoring system on the coast, computing machine comprises the software that calculates the potential danger that static structures damages by loose impediment or with this loose impediment associated device.Calculating can be preferably based in the vibration data at least some and as the position data of the function of time and optionally from some of other data of archival memory, the data of the above type of describing or mentioning for example.
Integrality monitoring system on the bank can comprise the warning horn for the described similar fashion of integrality monitoring system of offshore, and this warning horn can be set to operate in a similar fashion.
In the embodiment of integrality monitoring system on the coast, system comprises be arranged to the warning horn that starts when static structures has the potential or actual danger of damage, computing machine be arranged to preferably based in the vibration data at least some and calculate the potential or actual danger that static structures damage as in the position data of the function of time at least some.System can preferably be adjusted to detecting when having preassigned pattern and/or having the vibration data of the level of vibration that is higher than the maximum vibration set-point and start warning horn to reduce false alarm.
As noted above, a plurality of integrality monitoring systems for example can connect or combine so that can carry out the CSRC of the static structures of integrality monitoring.A plurality of integrality monitoring systems for example can combine so that the computing machine of each integrality monitoring system is placed on the center to manage concentratedly.In one embodiment, a plurality of integrality monitoring systems combine by sharing one or more parts each other, and a plurality of integrality monitoring systems for example can be shared common central computer.
The invention still further relates to a kind of method of integrality of at least a portion of monitoring static structures.Method of the present invention comprises:
(i) provide at least one for detection of the vibration transducer as the vibration of the function of time;
Computing machine (ii) is provided;
The vibration data that (iii) is provided for the sensor of self-excited oscillation in the future is transferred to the transmitting device of computing machine;
(iv) arrange vibration transducer to detect the vibration in the monitoring point, this monitoring point comprises the part of static structures at least;
(v) when ship is in the selected distance of distance monitoring point, obtain the position data as the function of time of the loose impediment that comprises transmitter;
(the software of vi) give handling vibration data and being provided for as the computing machine of the position data of the function of time vibration data and position data as the function of time are compared.
Above example is above being described.In addition preferably, method of the present invention comprises the above-mentioned integrality monitoring system of use.
Discrete component and combination thereof can be as mentioned above.
In an embodiment of the inventive method, static structures is structure, perhaps structure under the static structures right and wrong sea under structure or the sea embedding and/or that ditch buries under the sea that places on the sea bed.According to the present invention, this method comprises the integrality of at least a portion of determining static structures.
As mentioned above, in preferred embodiment, static structures is or comprises cable, for example signal and/or feeder cable, be preferably selected from high voltage power cable (about more than 72 kilovolts, for example up to about 550 kilovolts or even higher), medium-pressure power cable (approximately 10-72 kilovolt), hyperconductive cable, optical cable and/or communication cable.
In an embodiment of the inventive method, vibration transducer continued operation or operate with predetermined time interval, and the integrality monitoring system comprises for the regulatory function of regulating the vibration transducer operation, this method comprises manual, semi-automatic or regulates the operation of vibration transducer automatically, for example about noise content, about the loose impediment quantity in selected distance, about weather, about the time (night/daytime/working day/holiday, etc.) and/or about other.
In an embodiment of the inventive method, regulatory function is automatic or the mechanism of semi-automatic adjusting, and this method comprises the sensitivity of preferably regulating vibration transducer according to the vibration concentration degree in the selected distance of monitoring point.
In an embodiment of the inventive method, this method comprises and filters out noise, preferably filters out at least a portion background noise.The method that filters out noise is known for the technician.
In an embodiment of the inventive method, method comprise the record loose impediment as the position data of the function of time and preferably the data of record be used to or can be used for the subsequent analysis of event.
If for example Jian Ce static structures is damaged suddenly, can be preferably the position data as the function of time of record be combined with the vibration data of record, be used for this accident of analysis and identify loose impediment alternatively.For example the operator of loose impediment may ignore alarm, then can damage operator or owner's claim to loose impediment.
In an embodiment of the inventive method, this method comprises: computing machine will as the position data of the function of time be associated to the vibration data of same time and compare, and whether the vibration that is detected by vibration transducer in preset time based on this associated estimation is or does not comprise the vibration that loose impediment causes.
In an embodiment of the inventive method, method comprises determines that vibration is with respect to vibration transducer and/or with respect to the direction of static structures.The method of determining direction of vibration for example can be as indicated above.
In an embodiment of the inventive method, system comprises for example discrete sensor array form or sensor array distributed or the quasi-distributed optical fiber forms of sensor, method comprises direction, distance and/or the speed of the object of determining to send vibration, and the object that sends vibration is loose impediment alternatively.
In an embodiment of the inventive method, method comprises that the vibration data from sensor array is carried out wave beam to be shaped, and is for example mentioned above.
In an embodiment of the inventive method, the integrality monitoring system is the integrality monitoring system of offshore, and method comprises determines the sea integrality of at least a portion of structure down.
In an embodiment of the inventive method, method comprises: computing machine is communicated by letter with automatic recognition system (AIS).
In an embodiment of the inventive method, this system is the integrality monitoring system of offshore, and whether this method comprises the position data as the function of time being compared with the vibration data that is associated to the same time so that can estimate vibration transducer at least and be or comprise by being identified the caused vibration of ship in detected vibration preset time.
In an embodiment of the inventive method, method be included on the archival memory store by computing machine obtain as in the vibration data of the function of time at least some and/or as in the position data of the function of time at least some, and set up data acquisition for example mentioned above thus.Method of the present invention can comprise the database of mentioning more than the use for example or describing in addition.
In an embodiment of the inventive method, method comprises and obtains and/or obtain other data, and these other data can be as mentioned above and for example comprised in the prediction/forecast of unique identification, course line, speed, moving direction, warning, weather condition and described data at least one.
In an embodiment of the inventive method, method comprises calculates static structures by the potential danger of loose impediment or the device damage related with loose impediment.This calculates preferably based on vibration data with as the position data of the function of time with alternatively from other data of archival memory, mentions in the data at least some above for example any.
In an embodiment of the inventive method, method comprises that the vibration data that with vibration data, particularly comprises high level of vibration is associated with the potential danger of static structures, for example with the sea under structure for example ship or device by ship damage by loose impediment or with the related equipment of loose impediment.
In an embodiment of the inventive method, method comprises and starts warning horn for example as indicated abovely.Warning horn for example can start when the potential or actual danger that static structures damages.Preferably, computing machine be arranged to preferably based in the vibration data at least some and calculate the potential or actual danger that static structures damage as in the position data of the function of time at least some.The inventive method preferably includes regulating system to start warning horn to reduce false alarm detecting when having preassigned pattern and/or having the vibration data of the level of vibration that is higher than the maximum vibration set-point.
In an embodiment of the inventive method, method comprises the mode of normal vibrations calibration vibration data for static structures.
In an embodiment of the inventive method, wherein system is the system of offshore and comprises archival memory with Computer Data Communication, archival memory involving vibrations pattern is with respect to the calibration curve of the ship distance of one or more ships or one or more ships, and this method comprises the variation of calculating covering material level on the structure under the distance of the ship of process and/or calculated example such as the above-mentioned sea.
Description of drawings
Below will be in conjunction with preferred embodiment and with reference to the accompanying drawings the present invention being described more fully, wherein:
Fig. 1 is the synoptic diagram of the part of integrality monitoring system of the present invention, and wherein static structures is a segment pipe;
Fig. 2 is the synoptic diagram of the integrality monitoring system of offshore of the present invention;
Fig. 3 is offshore and synoptic diagram integrality monitoring system on the bank of combining of the present invention;
Fig. 4 is the synoptic diagram of the integrality monitoring system of offshore of the present invention, and wherein system comprises that structure is that part is embedding and part is unlapped under several Fibre Optical Sensors and the sea;
Fig. 5 is the synoptic diagram of the integrality monitoring system of offshore of the present invention, and wherein system comprises that structure is lifter under point sensor and the sea;
Fig. 6 is the synoptic diagram of the integrality monitoring system of offshore of the present invention, and wherein system comprises that structure is placed on the sea bed under integrated sensor and the sea;
Fig. 7 is the synoptic diagram of integrality monitoring system of the offshore of the present invention seen of standing away from the top, wherein shows some ships, and some are in selected distance and some are arranged outside it;
Fig. 8 is the synoptic diagram of vibration transducer and wave beam shaping principle;
Fig. 9 is the synoptic diagram of the embodiment of the inventive method, and wherein the integrality monitoring system is the integrality monitoring system of offshore.
Figure is synoptic diagram and may simplifies for clear.In the text, identical Reference numeral is used for identical or corresponding part.
But the more range of application of the present invention will become obvious by the following detailed description that provides.Yet be to be understood that, though detailed description and instantiation have been pointed out preferred implementation of the present invention, but it provides as just explanation, because will become obvious according to this detailed description various variations and modification within the spirit and scope of the present invention to those skilled in the art.
Embodiment
Integrality monitoring system shown in Fig. 1 is suitable for monitoring the integrality of the pipeline 1 of at least one segment length.The integrality monitoring system comprises that spiral fashion is wrapped in pipeline 1 Fibre Optical Sensor 2 on every side.Fibre Optical Sensor is or comprises vibration transducer for example mentioned above.Fibre Optical Sensor is connected to unshowned sensing system light be supplied to sensor and receive and analyze alternatively the signal that obtains at last.The integrality monitoring system also comprises computing machine 3, and it is expressed as personal computer in this embodiment, but as what explained, this computing machine can be to carry out any other element or the combination of elements that regulation is calculated.The integrality monitoring system comprises that unshowned vibration data for self-excited oscillation in future sensor 2 is transferred to the transmitting device of computing machine 3.This transmitting device can be by being directly connected to Fibre Optical Sensor 2 in computing machine 3, providing by wireless transmission and/or by for example above-described any other device.
The integrality monitoring system further is arranged to when in selected distance 6a, the 6b of loose impediment 4a in the distance monitoring point, obtain and comprise to computing machine 3 transmission the position data as the function of time of loose impediment 4a, the 4b of transmitter 5, wherein selected distance 6a, 6b are shown in broken lines at this, and the monitoring point is the occupied place of pipeline 1 in this embodiment.
Loose impediment 4a, 4b for example can be vehicle and/or above-described instrument for example.Loose impediment 4a, 4b comprise antenna 5, it can for example directly transmission be in order to receive by computing machine 3 or by another system such as the Internet or central data collection system with its position data or as the position data of the function of time to utilize antenna, and this another system can be further be transferred to computing machine 3 with the position data as the function of time.
As shown in the figure, selected distance 6a, 6b apart from the monitoring point needn't be equidistant from the monitoring point in all directions, but usually in one direction (for example from the direction of monitoring point towards selected distance 6a) than (for example from the direction of monitoring point towards selected distance 6b) on another direction from the monitoring point away from.
In this embodiment, computing machine regulation and being programmed for compares vibration data and position data as the function of time, and estimates thus whether the loose impediment 4a in selected distance 6a, 6b is in the danger that damages pipeline 1.
The integrality monitoring system that shows among Fig. 2 is the integrality that the integrality monitoring system of offshore and being suitable for is monitored the embedding cable 11 of at least one segment length.Embedding cable 11 is coated with the covering material at sea bed 17 places.Directly over cable 11, it is the vibration transducer 12 of embedding Fibre Optical Sensor form.Fibre Optical Sensor 12 is connected to unshowned sensing system, and unshowned sensing system is used for light being supplied to sensor and being used for reception and analyzing the signal that obtains at last alternatively.Line 10 is represented on the bank and the line between the offshore.Line 18 expression seas.The integrality monitoring system of offshore comprises disclosed computing machine 13 as mentioned.This computing machine 13 is arranged on the bank in this embodiment for example at the CSRC point, this alternatively several integrality monitoring systems of the present invention be maintained under the monitoring.Can carry out vibration data/as the vibration data of the function of time with as the transmission of the position data of the function of time as described above.
Fig. 3 has shown the offshore of combination of the present invention and integrality monitoring system on the bank.In conjunction with on the bank/the integrality monitoring system of offshore is suitable for monitoring the integrality of at least one segment length of pipeline 21 of the pipe section 21b of the pipe section 21a that comprises on the bank and offshore.The exposed ways of integrality monitoring system comprises data acquisition element 20a, and it comprises for receiving from the bank loose impediment 24a with alternatively from receiver and the transmitter of the signal of the loose impediment 24b of offshore.In the embodiment shown, loose impediment 24a on the bank is expressed as the Working vehicle that has digging tool 29a and transmitter 25a, and the loose impediment 24b of offshore is expressed as and has the anchor 29b that falls and the ship of transmitter 25b.
The off land phase of integrality monitoring system comprises unshowned data acquisition element 20b, and it is arranged to obtain position data as the function of time from above-described AIS.The position data of obtaining from the data acquisition element 20b of on the bank data acquisition element 20a and offshore as the function of time is transferred to the first computing machine 23(1), the classified and relevant position data as the function of time of the position data of irrelevant function as the time can be stored alternatively therein.The position data of relevant function as the time is transferred to the second computing machine 23(2 with the form that postpones alternatively) in order to as described belowly further analyze.
Of the present inventionly combine the vibration transducer 22 that offshore and integrality monitoring system on the bank comprise the Fibre Optical Sensor form, its have on the bank vibration transducer part 22a and the vibration transducer part 22b of offshore.Vibration transducer 22 is connected to for light being supplied to sensor and being used for receiving and the sensing system 22c that analyzes and/or store the vibration signal that obtains at last alternatively.By with the real-time mode of vibration signal originally or by with as the vibration data of the function of time in real time or the mode that postpones, vibration signal is transferred to the second computing machine 23(2).
Other data, for example data relevant with weather described above or other data can be obtained element 20(1 via the data acquisition element 20b of on the bank data acquisition element 20a and/or offshore and/or via another) be transferred to the second computing machine 23(2).
The second computing machine 23(2) comprises software, be used for and compare with the position data as the function of time about the identical time and based on this comparison and the other data damage danger of calculating pipeline 21 and offshore, 21a, 21b on the bank alternatively as the vibration data of the function of time.
In the embodiment shown, the second computing machine 23(2) with the 3rd computing machine 23(3) data communication, computing machine 23(3) be supervisory control comuter and preferably include monitor and alarm indicator.Several integrality monitoring systems can be coupled to identical supervisory control comuter, and it for example can be maintained under operator's the monitoring, and the operator for example also remains on other supervisory control comuter under the monitoring.If alarm starts, the operator can warn immediately and may be in the loose impediment that damages in the pipeline danger.If for example the captain on the ship 24b forgets that his anchor 29b of pull-up and anchor 29b pull at sea bed in the selected distance of distance monitoring point, this may cause that alarm starts, and the operator can identify ship 24b and warning captain immediately, thus make the captain can be before it damages pipeline 22b pull-up anchor 29b.
Fig. 4 shows the integrality monitoring system with the offshore of perspectives.Expression seas, plane 38 and plane 37a, 37b represent sea bed.The integrality monitoring system of offshore comprises 3 the vibration of optical sensor 32a, 32b, the 32c that are parallel to pipeline 31a, the 31b layout of its integrality to be monitored.The shown mounting distance of representing vibration transducer 32a, 32b and 32c apart from MDa, MDb, MDc respectively.
Vibration transducer 32a, 32b and 32c are connected to for light being supplied to sensor and reception and analyzing and/or store the sensing system 32d of the vibration signal that obtains at last alternatively.
The integrality monitoring system of offshore also comprises computing machine 33.As shown in FIG. and as mentioned above, computing machine 23 comprises the hardware and software as the position data of the function of time that obtains from AIS.The vibration signal that is obtained by vibration transducer 32a, 32b and 32c is transferred to that computing machine 33 is used for analyzing and compares with position data as the function of time as mentioned above and be used for the various data of record alternatively.
Fig. 4 has further shown the ship 34 that has transmitter 35 and anchor 39.
As passing through shown in the dash area 37b of sea bed 37a, 37b, section of tubing 31b and partial vibration sensor 32a, 32b and 32c are embedding, yet in the non-shaded portion 37a of sea bed 37a, 37b, pipeline 31a and vibration transducer 32a, 32b and 32c are not capped.Especially when exposure is the layout of selecting, not Bei Fugai pipe section 31a preferably ditch bury.
This not capped pipeline is that the anchor comparison sensitivity and that can easily be pulled at sea bed damages.If ship 34 is approaching pipeline 31a, 31b among the capped regional 31a, will detect anchor 39 and moving direction thereof and detected vibration data can be transferred to computing machine 33 near the sensor 32a of the anchor 39 of ship 34.Whether computing machine also will obtain the position data as the function of time from ship 34, and by these data relatively, can calculate pipeline 31a and be in the danger that is damaged by anchor 39, and can warn ship if true.
If for example the capped part of pipeline is not to have a mind to for it structure, but covering material is removed along with the process of time, for example by in the navigation channel above pipeline 31 ship of process, then the integrality monitoring system of offshore can comprise archival memory, and it has vibration mode with respect to the calibration curve of the ship distance of one or more ships or one or more ships.
By using this calibration curve, the integrality monitoring system can be identified vibration mode, whether is by mistake removed covering by passing ships thereby can detect pipeline.If the integrality monitoring system of offshore can be identified vibration mode, it can calculated direction, speed and other, and the computing machine 33 of the integrality monitoring system of offshore preferably includes the software of calculating variation of the covering material level on structure 31a, the 31b under the sea.
Fig. 5 shown and has been connected to Offshore Structures 49a, 49b, for example is placed on structure 41(cable/conduit under for example above-described sea of the platform on the sea bed 47). Offshore Structures 49a, 49b comprise part 49a and sea the part 49b 48 or more of sea below 48.Some somes vibration transducer 42a, 42b, 42c are placed on the sea of Offshore Structures 49a with on the lower part.Ship 44 for example will berth in Offshore Structures 49a, 49b near Offshore Structures 49a, 49b.
Point vibration transducer 42a, 42b and 42c are the parts of integrality monitoring system of the present invention, and vibration data is transferred to unshowned computing machine, in computing machine, vibration data and the position data of obtaining from the AIS near ship as the function of time is compared.
Under ship 44 was in situation in the danger that damages structure 41 under the sea, the integrality monitoring system can give the alarm as mentioned above.
Fig. 6 shows the integrality monitoring system with the offshore of perspectives.Seas are represented and plane 57 expression sea beds in plane 58.The integrality monitoring system of offshore comprises that the vibration of optical sensor 52(that is integrated in the extra large structure 51 down shows with dotted line).Sea structure 51 down is that ditch buries so that it can not reach on the sea bed 57.
The integrality monitoring system further comprises unshowned computing machine, unshowned vibration data for self-excited oscillation in future sensor 52 is transferred to the transmitting device of computing machine, and is unshowned be used to the device as the position data of the function of time that obtains and comprise to computing machine transmission the loose impediment 54 of transmitter 55.In the embodiment shown, loose impediment 54 is the form of ship 54 and comprises transmitter and at the anchor 59 of sea bed 57 towing.The integrality monitoring system of offshore is operated as described above.
Integrality monitoring system shown in Fig. 7 is suitable for monitoring the integrality of structure 61 under the sea of at least one segment length.The integrality monitoring system comprises the next-door neighbour sea optical fibre vibration sensor 61 of structure 61 placements down.Optical fibre vibration sensor can be as indicated above.Optical fibre vibration sensor is connected to for light being supplied to sensor and being used for receiving and the unshowned sensing system of analyzing the signal that obtains at last alternatively.The integrality monitoring system also comprises aforesaid unshowned computing machine and various transmitting device and deriving means.
Structure 61 and sensor 62 are connected to Offshore Structures 69 under the sea, for example the platform described in Fig. 4.
The integrality monitoring system is arranged to when loose impediment 64a is in the selected distance SD of monitoring point, in these with dashed lines 66 expressions, obtain and comprise to the transmission of unshowned computing machine the position data as the function of time of loose impediment 64a, the 64b of unshowned transmitter, in this embodiment, the place that occupied by structure under the sea 61, monitoring point.
As seen in Figure 7, some ship 64b are beyond the dotted line 66 in the zone of expression in the selected distance SD of monitoring point, and in this embodiment, the position data as the function of time of these ships 64b beyond dotted line 66 will can not be acquired and be transferred to unshowned computing machine, yet the position data as the function of time of the ship 64a in selected distance SD that is surrounded by dotted line 66 will be acquired and be transferred to unshowned computing machine.
Expression protection zones 60, shadow region 60, and the integrality monitoring system is adjusted to: if or be in the protection zone 60 as the average 40 tons ship of noise or the ship that sends about 100db sound, then give the alarm.
In the variation of embodiment shown in Fig. 7, the elongated area of being surrounded by dotted line 66 be arranged essentially parallel to the sea down structure and should the sea under structure applications in its axis place, preferably Offshore Structures 69 is arranged in the center of the crooked end of elongated area basically.
Fig. 8 has shown the principle of the wave beam shaping that can be used in the integrality monitoring system of the present invention.
Wave beam is shaped for example can be for the method for the distance between the event (for example anchor falls) of estimating static structures and loose impediment or being made a noise by loose impediment.The integrality monitoring system for example can be the integrality monitoring system shown in Fig. 3.When ship 24b falls anchor 29b, can utilize the wave beam of the output signal of Fibre Optical Sensor 22b to be shaped to estimate/calculate distance apart from ship 24b and anchor 29b.Output signal is marked as about the length section of sensor 22b ..., N-2, N-1, N, N+1, N+2 ...The typical length of certain section N is 1-10m, and the distance between the section is fixed, and typical value is 1-3m.
The output signal of the array of several sections (for example 4 sections) is handled and together to having numbering ..., K-1, K, K+1 ... each array produce space-oriented signal (wave beam, for example 5).This allows the direction of the sound wave that arrives is estimated.
If for example anchor 29b drops on the seabed, then determine to have the part of the highest output level.If for example this part is the numbering N that belongs to array K.Analyze near the output signal of the array the array K then and determine the estimation of incident distance by cross bearing.
This method for example can be simplified for high s/n ratio and omit ARRAY PROCESSING.If anchor drops on the seabed, then determine to have the section (N) of the highest output level.Analyze the output signal of second portion (for example having numbering N+5) and its output signal with section N is associated.Mistiming between two signals is used to estimate the distance of event.
Fig. 9 shows the figure of disposal route of the present invention.Vibration transducer 82a is connected to for light being supplied to sensor and be used for receiving the sensing system 82b of the vibration signal that obtains at last.For example unit 80 or the unshowned clock acquisition time data from be integrated in sensing system 82b are set from the time by sensing system, with the related vibration data with the function that is provided as the time with time data of vibration data.
To be transferred to the first computing machine 83(1 as the vibration data of the function of time), in first computing machine, will sort out as the vibration data of the function of time, and filter to remove static noise alternatively and for example be shaped by wave beam and vibration is further analyzed.The vibration data of analyzing as the function of time is transferred to the first archival memory 89a, and the first archival memory 89a can also store the vibration data of not analyzing as the function of time.
The vibration data of analyzing as the function of time also is transferred to the second computing machine 83(2), at this itself and other data are compared.
Simultaneously the first data acquisition element 90a obtains as the position data of the function of time with alternatively from other data of AIS.First data acquisition element 90 for example arranges unit 80 or from the unshowned clock acquisition time data that are integrated in the sensing system 82b from the time.Position data as the function of time is associated to guarantee that with the time data that obtains vibration data and position data are associated with consistent time data.
To be transferred to the second data acquisition element 90b as the position data of the function of time, this second data acquisition element 90b also obtains from other source for example from the Internet with from the data of weather station.The second data acquisition element 90b can also be as the first data acquisition element 90a the acquisition time data.
To give filter cell 88 from the data transmission of the second data acquisition element 90b, be filtered in these incoherent data.Filtrator can be independent of and be stored in the data on first archival memory and be conditioned.The detected noise that influences these data of vibration transducer 82a is filtered thus.
Give the 3rd computing machine 83(3 with the data transmission of filtering).The second computing machine 83(2) and the 3rd computing machine 83(3) incorporate a single computing machine in one embodiment into, and in another embodiment-shown in embodiment-second computing machine 83(2) and the 3rd computing machine 83(3) swap data.At the second computing machine 83(2) in, the classified and tissue of data and be transferred to the second archival memory 89b and operator's monitor 87.At the 3rd computing machine 83(3) in relatively as the position data of the function of time with as the vibration data of the function of time and simultaneously in same computing machine or at the 4th computing machine 84(4) in (as in the embodiment shown) that other data are associated with each other, impend and estimate and give monitor with result transmission.The 4th computing machine 84(4 simultaneously) can be alternatively in that being remained on, monitor 87 gives the alarm after operator under the supervision confirms.
The 4th computing machine 83(4) data that can also receive from the second archival memory 89b threaten to estimate, and perhaps carry out supplement Analysis.Can also be from the first computing machine 83(1 as the vibration data of the function of time) be transferred to the second archival memory 89b and/or monitor 87.
Accompanying drawing is for schematically and may simplify for clear.In the text, identical Reference numeral is used for identical or corresponding part.
But the more range of application of the present invention will become obvious by the following detailed description that provides.Yet, be to be understood that and pointed out that detailed description of the preferred embodiment of the present invention and instantiation provide as just explanation, because describe in detail according to this, various variations within the spirit and scope of the present invention and modification will become obvious to those skilled in the art.
Shown some preferred implementations in the preamble, but should emphasize that the present invention is not limited to these, but otherwise implemented in the theme that can in following claim, limit.

Claims (96)

1. the integrality monitoring system of integrality that is used at least a portion of monitoring static structures, this system comprises for detection of at least one vibration transducer as the vibration of the function of time, computing machine, the vibration data that is used for the sensor of self-excited oscillation in the future is transferred to the transmitting device of computing machine, be used for when loose impediment is in the selected distance of monitoring point, obtaining and transmit to described computing machine the device as the position data of the function of time of the described loose impediment that comprises transmitter, wherein the monitoring point comprises that the described part of static structures and vibration transducer are arranged to detect the vibration in the described monitoring point, and described computing machine comprises the hardware and software that compares for vibration data and position data as the function of time.
2. integrality monitoring system as claimed in claim 1, wherein static structures is the structure of fixing basically, for example use in static mode and/or be placed on the ground and/or sea bed on and/or static structures embedding and/or that ditch buries.
3. each described integrality monitoring system in the claim as described above, wherein static structures is the structure of fixing basically, wherein by as being placed under on the sea bed or the embedding sea structure and/or by structure under the sea of burying as ditch or by as structure under the embedding non-sea, this structure is preferably used in static mode.
4. each described integrality monitoring system in the claim as described above, wherein static structures is elongated structure, its length dimension is perpendicular to its maximum sized about at least 100 times that its length dimension is measured, preferably static structures has at least approximately 10m, for example the length of about at least 100m.
5. each described integrality monitoring system in the claim as described above, wherein static structures is or comprises that cable, pipeline and/or optical fiber, static structures are alternatively or comprise bunch of cables.
6. each described integrality monitoring system in the claim as described above, wherein static structures is the transmission static structures, for example can transferring electric power and/or electromagnetic static structures and/or can conveying flowable mediums the static structures of fluid such as hydrocarbon fluid and/or water for example.
7. each described integrality monitoring system in the claim as described above, wherein static structures comprises cable, for example signal and/or feeder cable, its preferably be selected from high voltage power cable (about more than 72 kilovolts, for example up to about 550 kilovolts or even higher), medium-pressure power cable (approximately 10-72 kilovolt), hyperconductive cable, optical cable and/or telecommunication cable.
8. each described integrality monitoring system in the claim as described above, wherein static structures comprises pipeline, for example for delivery of fluid such as water, gas and/or the pipeline of the hydrocarbon of crude oil for example.
9. each described integrality monitoring system in the claim as described above, wherein vibration transducer is sonic transducer, as microphone, nautical receiving set, sseismograph and/or fibre-optical acoustic sensor.
10. each described integrality monitoring system in the claim as described above, wherein vibration transducer continued operation or with the predetermined time interval operation, the integrality monitoring system preferably includes the regulatory function for the operation of regulating vibration transducer.
11. each described integrality monitoring system in the claim as described above, wherein this system comprises one or more standby vibration transducers, this standby vibration transducer be used for to be replaced the vibration transducer that breaks down and/or is used for the vibration transducer that check is used, standby vibration transducer can preferably be placed to the next-door neighbour it/they are fit to replace and/or vibration transducer of check.
12. each described integrality monitoring system in the claim as described above, wherein system comprises and is arranged to directly contact vibration transducer with the vibration of monitoring static structures itself with static structures.
13. each described integrality monitoring system in the claim as described above, wherein system comprises and is arranged to not the vibration transducer that directly contacts with static structures.
14. each described integrality monitoring system in the claim as described above, wherein vibration transducer comprises at least one nautical receiving set, for example traditional electric nautical receiving set or fiber laser hydrophone.
15. each described integrality monitoring system in the claim as described above, wherein vibration transducer is distributed vibration transducer.
16. each described integrality monitoring system in the claim as described above, wherein vibration transducer comprises Fibre Optical Sensor, Fibre Optical Sensor preferably is arranged through the operation of backscattering effect, for example Brillouin's backscattering, Raman backscatter, rayleigh backscattering.
17. integrality monitoring system as claimed in claim 16, wherein optical sensor utilizes the polarization property operation of optical fiber, be used to the possible distortion of detection fiber with the polarization property that is preferably so that backscatter signals, if there is distortion (for example being caused by sound wave).
18. each described integrality monitoring system among the claim 1-13 as described above, wherein vibration transducer comprises Fiber Bragg Grating FBG (FBG) sensor.
19. each described integrality monitoring system in the claim as described above, wherein vibration transducer is integrated with transmitting device or is directly connected to transmitting device, and vibration transducer is Fibre Optical Sensor preferably.
20. each described integrality monitoring system in the claim as described above, wherein computing machine is not directly connected to vibration transducer, computing machine is the remote computer that is arranged in from a certain distance of vibration transducer alternatively, this distance is 1m at least, at least about 5m for example, at least about 100m for example is for example up to about 100km or even more.
21. each described integrality monitoring system in the claim as described above, wherein computing machine is directly connected to vibration transducer, and directly connection preferably provides described transmitting device.
22. each described integrality monitoring system in the claim as described above, the transmitting device that the vibration data that wherein is used for the sensor of self-excited oscillation in the future is transferred to computing machine comprises wireless transmission and/or via transmission and/or the power line communication (PLC) of optical fiber, wireless transmission can for example be radio or microwave frequency transmission.
23. each described integrality monitoring system in the claim as described above, the device that the vibration data that wherein is used for the sensor of self-excited oscillation in the future is transferred to computing machine comprises recording medium, the vibration data of transmission comprises as the vibration of the function of time and as the vibration data of the function of time and being delayed, preferably have about 10 minutes to about 30 days time delay, for example from about 1 hour to about 24 hours.
24. each described integrality monitoring system in the claim as described above, the transmitting device that the vibration data that wherein is used for the sensor of self-excited oscillation in the future is transferred to computing machine is arranged to transmit the vibration data as the function of time, or is arranged under the situation of not free data transmission vibration data and time relevant with corresponding vibration data by system, preferably produced by computing machine.
25. each described integrality monitoring system in the claim as described above, the device as the position data of the function of time that wherein is used for obtaining and transmits loose impediment comprises receiver, receiver can transmit via the Internet, directly receive position data as the function of time via artificial satellite and/or via exterior antenna from the transmitter of loose impediment, receiver be alternatively computing machine integrated component or with computer radio or optical fiber communication.
26. each described integrality monitoring system in the claim as described above, the device as the position data of the function of time that wherein is used for obtaining and transmits loose impediment comprises recording medium, the position data as the function of time that is transmitted is delayed, preferably have about 10 minutes to about 30 days time delay, for example from about 1 hour to about 24 hours.
27. each described integrality monitoring system in the claim as described above, wherein system comprises that recording medium is used to record position data and/or the vibration data as the function of time that is transmitted, and preferably is recorded as it vibration data as the function of time.
28. each described integrality monitoring system in the claim as described above, wherein computing machine comprises hardware and software, whether it comprises at least for the processor that will compare as the position data of the function of time and the vibration data that is associated to the same time, be or comprise the vibration that is caused by loose impediment such as ship in detected vibration preset time so that can estimate vibration transducer at least.
29. each described integrality monitoring system in the claim as described above, wherein computing machine comprise monitor and/or printer or with its data communication to show the data that receive and vibration data and as the comparative result of the position data of the function of time.
30. each described integrality monitoring system in the claim comprises two, three, four or more vibration transducers as described above, it preferably is the form of optical fibre vibration sensor.
31. each described integrality monitoring system in the claim as described above, wherein this system is suitable for determining that vibration is with respect to vibration transducer and/or with respect to the direction of static structures.
32. each described integrality monitoring system in the claim comprises at least one optical fibre vibration sensor as described above, wherein said vibration transducer is distributed or quasi-distributed sensor.
33. integrality monitoring system as claimed in claim 32, wherein optical fibre vibration sensor and/or computing machine are fit to obtain and the output signal of handling alternatively from a plurality of designated length section N of optical fibre vibration sensor, select segment N preferably has at least approximately length of 1m separately, for example up to about 50m, for example from about 1 to about 10m, the length of various piece preferably equates basically.
34. integrality monitoring system as claimed in claim 33, wherein a plurality of designated length section N of optical fibre vibration sensor systematically arrange along the length of optical fibre vibration sensor, and length section N can be overlapping section, next-door neighbour's section or the section of a segment distance away from each other.
35. each described integrality monitoring system in the claim as described above, wherein this system comprises the sensor array form that for example is discrete or is sensor array distributed or the quasi-distributed optical fiber forms of sensor, computing machine is fit to obtain and handle the vibration data from sensor array, computing machine comprises that the object that sends vibration is loose impediment alternatively be used to the software of direction, distance and/or the speed of the object of determining to send vibration.
36. as each described integrality monitoring system among the claim 32-35, wherein this system layout in pairs the vibration data of or quasi-distributed sensor distributed from sensor array carry out the wave beam shaping function.
37. each described integrality monitoring system in the claim as described above, wherein the integrality monitoring system is the integrality monitoring system of offshore, and static structures is that structure and loose impediment are ships down in the sea.
38. integrality monitoring system as claimed in claim 37, wherein the sea down structure be the lifter that extends along the direction of perpendicular at least a portion of structure under the sea.
39. integrality monitoring system as claimed in claim 37, wherein the sea is descended structure to comprise and is laid on flexible cable on the sea bed, that ditch buries and/or embedding and/or flexible pipe.
40. each described integrality monitoring system among the claim 37-39 as described above, wherein be used for obtaining and comprise the data of obtaining from automatic recognition system (AIS) to the computing machine transmission as the device of the position data of the function of time, data are transmitted, are directly obtained via VTS (VTS) and/or via the transmitter of exterior antenna from ship via the Internet, and the transmitter of ship is transponder.
41. each described integrality monitoring system among the claim 37-40 as described above wherein, is obtained position data as the function of time via the Internet of computing machine.
42. each described integrality monitoring system among the claim 37-41 as described above, wherein provide selected horizontal zone to the selected distance of monitoring point, and arrangement system is so that computing machine obtains position data as the function of time from the ship with transmitter in described selected horizontal zone.
43. each described integrality monitoring system among the claim 37-42 as described above, wherein choose the monitoring point selected distance so that noisy at least average 40 tons ship and/or the ship of vibration (sound) that in the sensing range of vibration transducer, sends about 100db also in selected distance, preferably the selected distance to the monitoring point is chosen to enough big so that any ship in the appreciable position of vibration transducer all will be in the selected distance.
44. each described integrality monitoring system among the claim 37-43 as described above, wherein arrive the selected distance of monitoring point corresponding to the about at least 100m of structure under the sea, preferably apart from the about at least 1km of extra large structure down, the following at least about 2km of structure apart from the sea preferably, the more preferably at least about 5km of structure down apart from the sea.
45. each described integrality monitoring system among the claim 37-44 as described above, wherein said one or more vibration transducers be arranged to detect common anchor falls and/or the distance of anchor or similar means about 100m of structure under the distance sea in, preferably under the distance sea in the distance of the about 500m of structure along the vibration of the towing of sea bed.
46. each described integrality monitoring system among the claim 37-45 as described above, wherein said one or more vibration transducers be arranged to detect having of monitoring point be low to moderate about 30db, preferably be low to moderate about 10db, more preferably be low to moderate about 3db or even be low to moderate the vibration of about 500Hz of the level of about 1db.
47. each described integrality monitoring system among the claim 37-46 as described above, wherein said one or more vibration transducers be arranged to detect having of monitoring point be low to moderate about 30db, preferably be low to moderate about 10db, more preferably be low to moderate about 3db or even be low to moderate about 1db level from about 50Hz to the approximately vibration of 1kHz.
48. each described integrality monitoring system among the claim 37-47 as described above, wherein said one or more vibration transducer is arranged to detect when in the scope of ship about 2km of structure under the distance sea about 500Hz of the level that is low to moderate about 100db that is caused by ship at hydrostatic to the approximately vibration of 1kHz, preferably when in the scope of ship about 4km of structure under the distance sea, preferably when in the scope of ship about 6km of structure under the distance sea, preferably in the scope of ship about 10km of structure under the distance sea.
49. each described integrality monitoring system among the claim 37-48 as described above, wherein vibration transducer is installed in the mounting distance place of structure down, sea, and described mounting distance is preferably up to about 1km, for example up to about 500m, for example up to about 100m, for example up to about 25m.
50. each described integrality monitoring system among the claim 37-49 as described above, wherein vibration transducer and sea down structure contact or is integrated in the following structure in sea.
51. each described integrality monitoring system among the claim 37-50 as described above, wherein computing machine comprises the hardware and software that comprises processor at least, be used for will as the position data of the function of time be associated to the vibration data of same time and compare whether be or comprise by being identified the vibration that ship causes in detected vibration preset time so that can estimate vibration transducer at least.
52. each described integrality monitoring system among the claim 37-51 as described above, wherein computing machine comprise archival memory or with its data communication, archival memory store by computing machine obtain as the vibration data of the function of time with as in the position data of the function of time at least some.
53. each described integrality monitoring system among the claim 37-52 as described above, wherein be used for to determine and comprise the data of obtaining from automatic recognition system (AIS) to the computing machine transmission as the device of the position data of the function of time, computing machine is arranged to obtain from AIS or from the other data in another source, other data comprise at least one in the prediction/forecast of unique identification, course line, speed, moving direction, warning, weather condition and described data, and other data preferably comprise unique identification at least.
54. each described integrality monitoring system among the claim 37-53 as described above, wherein this system comprises in addition and collects the data relevant with weather, for example weather forecast and/or the statistics relevant with weather and/or as the data of being correlated with weather condition of the function of time.
55. each described integrality monitoring system among the claim 37-54 as described above, wherein computing machine comprises and calculates the sea software of the potential danger damaged by ship or device by ship of structure down, calculates to be based on vibration data and as the position data of the function of time and alternatively from other data of archival memory at least some.
56. each described integrality monitoring system among the claim 37-55 as described above, wherein computing machine comprises for vibration data, the vibration data that particularly comprises high level of vibration, the software that is associated with potential danger that structure under the sea is damaged by ship or device by ship.
57. each described integrality monitoring system among the claim 37-56 as described above, wherein this system also comprises the warning horn that starts when being arranged under sea structure has the potential or actual danger of damage, computing machine is arranged to preferably to calculate the sea potential or actual danger of structural failure down based on vibration data with as in the position data of the function of time at least some, and preferably system is adjusted to detecting when having preassigned pattern and/or having the vibration data of the level of vibration more than the maximum vibration set-point and starts warning horn to reduce false alarm.
58. each described integrality monitoring system among the claim 37-57 as described above, this system comprises the archival memory with Computer Data Communication, archival memory involving vibrations pattern is for the calibration curve of the ship distance of one or more ships or one or more ships, and computing machine comprises for the software of calculating apart from the distance of the ship of process.
59. each described integrality monitoring system among the claim 37-58 as described above, wherein structure comprises structure under the sea embedding or that ditch buries under the sea, system comprises the archival memory with Computer Data Communication, archival memory involving vibrations pattern is for the calibration curve of the ship distance of one or more ships or one or more ships, and computing machine comprises the software that changes for the covering material level of calculating on structure under the sea.
60. each described integrality monitoring system in the claim as described above, wherein the integrality monitoring system is integrality monitoring system on the bank, structure under the static structures right and wrong sea, and it preferably includes cable and/or pipeline.
61. integrality monitoring system as claimed in claim 60, wherein static structures is by embedding or be supported on one or more pylons.
62. each described integrality monitoring system in the claim 60 and 61 as described above, wherein loose impediment is vehicle, aircraft, power-driven tool.
63. each described integrality monitoring system among the claim 60-62 as described above, wherein loose impediment comprises positioning system, GPS(GPS for example) position and optional mobile details, and transmitter, it is arranged to preferably to transfer data to computing machine with the unique identification of loose impediment.
64. each described integrality monitoring system among the claim 60-63 as described above, wherein system comprises that transponder can receive and transmit vibration data alternatively in addition for receiving as the position data of the function of time and being used for data wirelessly and/or be transferred to the transponder of computing machine via the Internet alternatively.
65. each described integrality monitoring system among the claim 60-64 as described above, wherein system layout becomes to make computing machine to obtain the position data as the function of time that has the loose impediment of transmitter from the distance monitoring point in described selected distance.
66. each described integrality monitoring system among the claim 60-65 as described above, wherein apart from the selected distance of monitoring point corresponding to from static structures at least approximately 10m, at least approximately 100m, at least about 500m of structure down off sea preferably of structure down off sea preferably, the loose impediment that selected distance can be from one type loose impediment to another kind of type and difference.
67. each described integrality monitoring system among the claim 60-66 as described above, wherein said one or more vibration transducers be arranged to detect having of place, monitoring point be low to moderate about 30db, preferably be low to moderate about 10db, more preferably be low to moderate about 3db or even be low to moderate the vibration from about 50Hz to about 1kHz of the level of about 1db.
68. each described integrality monitoring system among the claim 60-67 as described above, wherein vibration transducer is installed in the mounting distance place of static structures, and described mounting distance is preferably up to about 100m, for example up to about 25m.
69. each described integrality monitoring system among the claim 60-68 as described above, wherein vibration transducer contacts or is integrated in the static structures with static structures.
70. each described integrality monitoring system among the claim 60-69 as described above, wherein computing machine comprises hardware and software, whether it comprises at least for the processor that will compare as the position data of the function of time and the vibration data that is associated to the same time, be or comprise the vibration that is caused by the loose impediment that is identified in detected vibration preset time so that can estimate vibration transducer at least.
71. each described integrality monitoring system among the claim 60-70 as described above, wherein computing machine comprise archival memory or with its data communication, archival memory preferably store by computing machine obtain as the vibration data of the function of time with as in the position data of the function of time at least some.
72. each described integrality monitoring system among the claim 60-71 as described above, wherein computing machine is arranged to obtain other data, other data comprise at least one in the prediction/forecast of unique identification, course line, speed, moving direction, warning, weather condition and described data, and other data preferably comprise unique identification at least.
73. each described integrality monitoring system among the claim 60-72 as described above, wherein computing machine comprises and calculates static structures by the software of the potential danger of loose impediment or the device damage related with this loose impediment, calculates to be based on vibration data and as the position data of the function of time and optionally from other data of archival memory at least some.
74. each described integrality monitoring system among the claim 60-73 as described above, wherein this system also comprises be arranged to the warning horn that starts when static structures has the potential or actual danger of damage, computing machine is arranged to preferably to calculate the potential or actual danger that static structures damage based on vibration data with as in the position data of the function of time at least some, and preferably system is adjusted to detecting when having preassigned pattern and/or having the vibration data of the level of vibration that is higher than the maximum vibration set-point and starts warning horn to reduce false alarm.
75. the method for the integrality of at least a portion of monitoring static structures, this method comprises:
(i) provide at least one for detection of the vibration transducer as the vibration of the function of time;
Computing machine (ii) is provided;
The vibration data that (iii) is provided for the sensor of self-excited oscillation in the future is transferred to the transmitting device of computing machine;
(iv) arrange described vibration transducer to detect the vibration in the monitoring point, the monitoring point comprises the part of static structures at least;
(v) obtain the position data as the function of time of the loose impediment that comprises transmitter in the selected distance of described monitoring point the time when described ship;
(described computing machine that vi) give to handle the position data of described vibration data and described function as the time provides software to be used for vibration data and position data as the function of time are compared.
76. as the method for the described monitoring integrality of claim 77, this method comprises to be used as each described integrality monitoring system among the claim 1-74.
77. the method as each described monitoring integrality in claim 75 and 76, wherein static structures is structure under structure or the sea embedding and/or that ditch buries under the sea that places on the sea bed, perhaps structure under the right and wrong sea, this method comprise the integrality of at least a portion of determining static structures.
78. the method as each described monitoring integrality among the claim 75-77, wherein static structures comprises cable, for example signal and/or feeder cable, its be preferably selected from high voltage power cable (about more than 72 kilovolts, for example up to about 550 kilovolts or even higher), medium-pressure power cable (approximately 10-72 kilovolt), hyperconductive cable, optical cable and/or communication cable.
79. as the method for each described monitoring integrality among the claim 75-78, wherein vibration transducer continued operation or with predetermined time interval operation, the integrality monitoring system preferably includes the regulatory function for the operation of regulating vibration transducer.
80. as the method for the described monitoring integrality of claim 79, wherein regulatory function is automatic or the mechanism of semi-automatic adjusting, it preferably regulates the sensitivity of vibration transducer according to the vibration concentration degree in the selected distance of monitoring point.
81. as the method for each described monitoring integrality among the claim 75-80, wherein this method comprises and filters out noise, preferably filters out at least a portion background noise.
82. as the method for each described monitoring integrality among the claim 75-81, wherein the position data as the function of time of loose impediment is recorded and is used for the subsequent analysis of event.
83. the method as each described monitoring integrality among the claim 75-82, wherein computing machine will as the position data of the function of time be associated to the vibration data of same time and compare, and whether the vibration that is detected by vibration transducer in preset time based on this associated estimation is or does not comprise the vibration that loose impediment causes.
84. as the method for each described monitoring integrality among the claim 75-83, wherein this method comprises and determines that vibration is with respect to vibration transducer and/or with respect to the direction of static structures.
85. the method as each described monitoring integrality among the claim 75-84, wherein system comprises the sensor array form that for example is discrete or is sensor array distributed or the quasi-distributed optical fiber forms of sensor, this method comprises direction, distance and/or the speed of the object of determining to send vibration, and the object that sends vibration is loose impediment alternatively.
86. as the method for each described monitoring integrality among the claim 75-85, wherein this method comprises that the vibration data from sensor array is carried out wave beam to be shaped.
87. as the method for each described monitoring integrality among the claim 75-86, wherein the integrality monitoring system is the integrality monitoring system of offshore, this method comprises the integrality of determining structure under at least a portion sea.
88. as the method for each described monitoring integrality among the claim 75-87, wherein this method comprises that computing machine communicates by letter with automatic recognition system (AIS).
89. the method as each described monitoring integrality among the claim 75-88, wherein this system is the integrality monitoring system of offshore, and whether this method comprises the position data as the function of time being compared with the vibration data that is associated to the same time so that can estimate vibration transducer at least and be or comprise by being identified the vibration that ship causes in detected vibration preset time.
90. the method as each described monitoring integrality among the claim 75-89, wherein this method be included on the archival memory store by computing machine obtain as the vibration data of the function of time with as in the position data of the function of time at least some, and set up data acquisition thus.
91. the method as each described monitoring integrality among the claim 75-90, wherein this method comprises acquisition and/or obtains other data, these other data comprise at least one in the prediction/forecast of unique identification, course line, speed, moving direction, warning, weather condition and described data, and other data preferably comprise unique identification at least.
92. the method as each described monitoring integrality among the claim 75-91, wherein this method comprises and calculates static structures by the potential danger of loose impediment or the device damage related with loose impediment, and this calculates based on vibration data with as the position data of the function of time with alternatively from other data of archival memory at least some.
93. the method as each described monitoring integrality among the claim 75-92, wherein this method comprises vibration data, the vibration data that particularly comprises high level of vibration, with static structures for example the sea down structure by loose impediment or with the related equipment of loose impediment, for example ship or device by ship, the potential danger of damage is associated.
94. the method as each described monitoring integrality among the claim 75-93, wherein this method is included in and starts warning horn when static structures has the potential or actual danger of damage, computing machine is arranged to preferably to calculate the potential or actual danger that static structures damage based on vibration data with as in the position data of the function of time at least some, and system preferably is adjusted to detecting when having preassigned pattern and/or having the vibration data of the level of vibration that is higher than the maximum vibration set-point and starts warning horn to reduce false alarm.
95. as the method for each described monitoring integrality among the claim 75-94, wherein this method comprises the mode of normal vibrations calibration vibration data for static structures.
96. the method as each described monitoring integrality among the claim 75-95, wherein system is the system of offshore and comprises archival memory with Computer Data Communication, archival memory involving vibrations pattern is for the calibration curve of the ship distance of one or more ships or one or more ships, this method comprise calculate through ship distance and/or calculate the sea variation of the covering material level on the structure down.
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CN101839760A (en) * 2010-05-21 2010-09-22 上海华魏光纤传感技术有限公司 Distributed optical fiber vibration sensor based on relay amplifying and sensing technology and method thereof

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CN103926669A (en) * 2014-04-10 2014-07-16 天津亿利科能源科技发展股份有限公司 Method for paving safety monitoring optical cable along with ocean oil and gas pipeline
CN103926669B (en) * 2014-04-10 2016-03-23 天津亿利科能源科技发展股份有限公司 A kind of method of laying safety monitoring optical cable with Ocean Oil And Gas Pipeline
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CN108692739B (en) * 2017-03-29 2024-04-02 霍尼韦尔国际公司 Integrity monitoring method for navigation system with heterogeneous measurements
CN108072398A (en) * 2017-05-09 2018-05-25 大连海事大学 The monitoring system and application method peculiar to vessel of river navigating ship based on GPS/ dipper systems
CN111538246A (en) * 2020-07-08 2020-08-14 浙江浙能天然气运行有限公司 System and method for estimating interference of mechanical equipment on distributed optical fiber sensor

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